/*******************************************************************************
 * AbstractHistoryManager.h
 *
 * Copyright (c) 2012, Varuna L Amachi. All rights reserved.
 *
 * This program/library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This program/library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA 02110-1301  USA
 ******************************************************************************/

#ifndef ABSTRACTHISTORYMANAGER_H
#define ABSTRACTHISTORYMANAGER_H

#include "core/components/IComponent.h"
#include "core/model/StoredAudio.h"

#include <QAbstractItemModel>


namespace Tanyatu
{
namespace Component
{
class TANYATU_CORE_EXPORT AbstractHistoryManager : public QAbstractItemModel,
                               public IComponent
{
    Q_OBJECT

protected:

    AbstractHistoryManager( QObject *parent = 0 )
        : QAbstractItemModel( parent )
    {
        //NOTHING_HERE
    }

signals:

    void aboutToClearHistory();

    void clearedHistory();

    void itemAddedToHistory( Tanyatu::Model::StoredAudio *item );

public slots:

    virtual void onItemPlayed( Tanyatu::Model::MediaItem *item ) = 0;

    virtual void onItemRemovalFromStorage( QString itemId ) = 0;

//    virtual void clear( QDateTime &from, QDateTime &to) = 0;

    virtual void clear() = 0;

public:

    virtual void getHistoryItemIds( QList< QString > &historyIds ) const = 0;

    virtual ~AbstractHistoryManager() { /*NOTHING_TO_DO*/ }
};
}
}

#endif // ABSTRACTHISTORYMANAGER_H
